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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 694 · 40 questions
TalentJR

Engineer's tip (Match the property to the job): Ask: what must it do — keep water out, bend, let light through, carry current or stay cool? Metals and graphite conduct electricity; rubber, plastic, dry wood, glass, pottery and cloth insulate. Pick the material whose main property fits the job.

NameDateTime takenScore ___ / 40
  1. 1.True or false: a hair band needs a flexible material. (a) False (b) True
  2. 2.🧱 Which property matters most for a spectacle lens? (a) electrical conductor (b) heat insulator (c) transparent (d) flexible
  3. 3.🔍 Which is the odd one out? (a) iron (b) clay pottery (c) steel (d) copper
  4. 4.🧱 Which material is best for a cooking pot handle? (a) aluminium (b) wood or plastic (c) iron (d) copper
  5. 5.🧱 Which material is best for a window pane? (a) glass (b) brick (c) wood (d) steel
  6. 6.🧱 Which property matters most for a window pane? (a) electrical conductor (b) heat insulator (c) waterproof (d) transparent
  7. 7.Which of these needs a heat insulator? (a) an umbrella cover (b) a water tank (c) a yoga mat (d) an oven glove
  8. 8.🧱 Which property matters most for a yoga mat? (a) transparent (b) waterproof (c) flexible (d) heat insulator
  9. 9.Which of these needs a flexible material? (a) a tea flask lining (b) the core of a wire (c) a switch contact (d) a hair band
  10. 10.🔍 Which is the odd one out? (a) rubber (b) graphite (c) brass (d) steel
  11. 11.🔍 Which is the odd one out? (a) iron (b) plastic (c) cotton cloth (d) glass
  12. 12.🧱 Which property matters most for a car windscreen? (a) flexible (b) electrical conductor (c) heat insulator (d) transparent
  13. 13.🧱 Is copper an electrical conductor or an insulator? (a) a conductor (b) an insulator
  14. 14.🧱 Which material is best for the core of an electric wire? (a) wood (b) copper (c) rubber (d) glass
  15. 15.🔍 Which is the odd one out? (a) aluminium (b) glass (c) iron (d) steel
  16. 16.Which of these needs a transparent material? (a) a switch contact (b) a raincoat (c) a water tank (d) a spectacle lens
  17. 17.🧱 Is plastic an electrical conductor or an insulator? (a) a conductor (b) an insulator
  18. 18.Which of these needs a waterproof material? (a) a water tank (b) an oven glove (c) a plug pin (d) a car windscreen
  19. 19.True or false: a raincoat needs a waterproof material. (a) True (b) False
  20. 20.True or false: a boat hull needs a waterproof material. (a) False (b) True
  21. 21.🔍 Which is the odd one out? (a) plastic (b) glass (c) copper (d) cotton cloth
  22. 22.True or false: the core of a wire needs a waterproof material. (a) True (b) False
  23. 23.🧱 Which property matters most for a car seat belt? (a) electrical conductor (b) waterproof (c) flexible (d) transparent
  24. 24.True or false: a spectacle lens needs a waterproof material. (a) False (b) True
  25. 25.🔍 Which is the odd one out? (a) brass (b) glass (c) clay pottery (d) plastic
  26. 26.Which of these needs a transparent material? (a) a water tank (b) a window pane (c) a plug pin (d) a yoga mat
  27. 27.True or false: a magnifier lens needs a waterproof material. (a) True (b) False
  28. 28.🧱 Is aluminium an electrical conductor or an insulator? (a) an insulator (b) a conductor
  29. 29.🧱 Which property matters most for a water tank? (a) waterproof (b) transparent (c) heat insulator (d) electrical conductor
  30. 30.Which of these needs an electrical conductor? (a) a car windscreen (b) a switch contact (c) a skipping rope (d) a magnifier lens
  31. 31.Which of these needs a transparent material? (a) a magnifier lens (b) a cooking pot handle (c) a tea flask lining (d) a car seat belt
  32. 32.🔍 Which is the odd one out? (a) graphite (b) steel (c) plastic (d) brass
  33. 33.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  34. 34.🧱 Which material is best for a raincoat? (a) cotton wool (b) plastic-coated cloth (c) paper (d) cardboard
  35. 35.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.Which of these needs a transparent material? (a) a plug pin (b) a car windscreen (c) an umbrella cover (d) a switch contact
  37. 37.🧱 Which material is best for the bars inside concrete? (a) steel (b) plastic (c) rubber (d) glass
  38. 38.🧱 Which property matters most for a raincoat? (a) heat insulator (b) flexible (c) waterproof (d) transparent
  39. 39.🧱 Is glass an electrical conductor or an insulator? (a) an insulator (b) a conductor
  40. 40.🧱 Is rubber an electrical conductor or an insulator? (a) an insulator (b) a conductor

Answer key

  1. True
  2. transparent
  3. clay pottery
  4. wood or plastic
  5. glass
  6. transparent
  7. an oven glove
  8. flexible
  9. a hair band
  10. rubber
  11. iron
  12. transparent
  13. a conductor
  14. copper
  15. glass
  16. a spectacle lens
  17. an insulator
  18. a water tank
  19. True
  20. True
  21. copper
  22. False
  23. flexible
  24. False
  25. brass
  26. a window pane
  27. False
  28. a conductor
  29. waterproof
  30. a switch contact
  31. a magnifier lens
  32. plastic
  33. a conductor
  34. plastic-coated cloth
  35. a conductor
  36. a car windscreen
  37. steel
  38. waterproof
  39. an insulator
  40. an insulator

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